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Circuit breakers

FLB Explosionproof Circuit Breakers

Crouse-Hinds series FLB explosionproof circuit breakers are used for service entrance, feeder or branch circuit protection for lighting, heating, appliance and motor circuits.  FLBs provide disconnect means, short circuit protection and thermal time delay overload protection.

Certifications and compliances

NEC and CEC

  • Class I, Divisions 1 & 2, Groups C, D
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III
  • UL standard: UL698
  • CSA standard: C22.2 No. 30
  • NEMA/EEMAC 3, 4, 7CD, 9EFG

Design features

  • Semi-cylindrical body shape for maximum strength at lowest practical weight
  • Round threaded covers at each end, set at an angle to provide ready access to interior for ease of wiring
  • Breaker is operated by an external handle which can be padlocked in either ON or OFF positions; breaker is trip-free of the handle and will open under short circuit or overload even if the handle is locked in the ON position
  • Bodies have vertical through feed conduit hubs of sizes given in the listings

Standard materials

  • Bodies, covers and operating handles – copper-free aluminum
  • Operating shafts – stainless steel
  • Interior parts – sheet steel
Specifications
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